/* roulang page: index */
:root {
      --primary: #1A4D2E;
      --primary-light: #28633e;
      --accent: #E8C547;
      --accent-hover: #d4b238;
      --text-main: #111827;
      --text-muted: #4B5563;
      --bg-light: #F8F9FA;
      --bg-white: #FFFFFF;
      --bg-dark: #0c1a11;
      --border-color: #E5E7EB;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
      --shadow-card: 0 8px 24px -4px rgba(26, 77, 46, 0.08);
      --shadow-hover: 0 16px 32px -4px rgba(26, 77, 46, 0.16);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      --container-max: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Lantinghei SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部微通知条 */
    .top-bar {
      background: var(--bg-dark);
      color: #cbd5e1;
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 主导航 */
    header {
      background: var(--bg-white);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .brand-logo span.dot {
      width: 10px;
      height: 10px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
    }
    .nav-menu {
      display: flex;
      gap: 32px;
      list-style: none;
    }
    .nav-menu a {
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--primary);
    }
    .nav-menu a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
    }
    .nav-menu a:hover::after, .nav-menu a.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-light);
      box-shadow: 0 4px 14px rgba(26, 77, 46, 0.3);
      transform: translateY(-2px);
    }
    .btn-accent {
      background: var(--accent);
      color: var(--bg-dark);
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 14px rgba(232, 197, 71, 0.4);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border-color: var(--border-color);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(26, 77, 46, 0.04);
    }

    /* 板块统一规范 */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(26, 77, 46, 0.08);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.05em;
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 板块 1: Hero 首屏优惠券墙+强转化 */
    .hero-section {
      position: relative;
      background: linear-gradient(rgba(12, 26, 17, 0.82), rgba(12, 26, 17, 0.88)), url('/assets/images/6a6f5c8dacde2c9e.webp') center/cover no-repeat;
      color: #fff;
      padding: 100px 0 110px 0;
    }
    .hero-content {
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.02em;
    }
    .hero-title mark {
      background: transparent;
      color: var(--accent);
    }
    .hero-p {
      font-size: 1.15rem;
      line-height: 1.9;
      color: #e2e8f0;
      margin-bottom: 36px;
    }
    .hero-coupon-wall {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }
    .coupon-main-card {
      display: flex;
      align-items: center;
      background: #fff;
      color: var(--text-main);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      border-left: 6px solid var(--accent);
      text-align: left;
      flex: 1;
      min-width: 280px;
    }
    .coupon-val {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary);
      margin-right: 18px;
      line-height: 1;
    }
    .coupon-val small {
      font-size: 1.2rem;
      font-weight: 600;
    }
    .coupon-info h4 {
      font-size: 1.15rem;
      margin-bottom: 4px;
    }
    .coupon-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 板块 2: 已上线推荐能力 */
    .capabilities-section {
      background: #fff;
    }
    .cap-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .cap-card {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      transition: var(--transition);
      position: relative;
    }
    .cap-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .cap-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 12px;
    }
    .cap-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .cap-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 3: 卖点三连 */
    .features-three {
      background: var(--bg-light);
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .feature-box {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 40px 30px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .feature-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card);
    }
    .feature-icon-badge {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(26, 77, 46, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      font-weight: bold;
    }
    .feature-box h3 {
      font-size: 1.35rem;
      margin-bottom: 14px;
    }
    .feature-box p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* 板块 4: 场景演示与爆款精选路线 */
    .routes-showcase {
      background: #fff;
    }
    .routes-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .route-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .route-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .route-img-wrap {
      position: relative;
      height: 220px;
      overflow: hidden;
    }
    .route-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .route-card:hover .route-img-wrap img {
      transform: scale(1.05);
    }
    .route-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(17, 24, 39, 0.85);
      backdrop-filter: blur(4px);
      color: #fff;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
    }
    .route-info {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .route-info h3 {
      font-size: 1.25rem;
      margin-bottom: 10px;
    }
    .route-info p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.65;
      flex: 1;
    }
    .route-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 14px;
      border-top: 1px solid var(--border-color);
      font-size: 0.88rem;
    }
    .route-meta strong {
      color: var(--primary);
    }

    /* 板块 5: 推荐理念与沉浸深度哲学 (深色区块) */
    .dark-philosophy {
      background: var(--bg-dark);
      color: #fff;
      padding: 100px 0;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .dark-text h2 {
      font-size: 2.4rem;
      line-height: 1.3;
      margin-bottom: 24px;
      color: #fff;
    }
    .dark-text p {
      color: #9ca3af;
      font-size: 1.05rem;
      line-height: 1.85;
      margin-bottom: 30px;
    }
    .philosophy-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .philosophy-list li {
      display: flex;
      gap: 16px;
      font-size: 1rem;
      color: #e5e7eb;
    }
    .philosophy-list li strong {
      color: var(--accent);
      min-width: 90px;
    }
    .dark-card-panel {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 40px;
      border-radius: var(--radius-lg);
    }

    /* 板块 6: 真实场景演示 */
    .scenario-section {
      background: #fff;
    }
    .scenario-flow {
      display: flex;
      flex-direction: column;
      gap: 60px;
    }
    .scenario-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .scenario-item.reverse {
      direction: rtl;
    }
    .scenario-item.reverse .scenario-text {
      direction: ltr;
    }
    .scenario-text h3 {
      font-size: 1.8rem;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .scenario-text p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .scenario-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .scenario-img img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }

    /* 板块 7: 服务保障与数据指标条 */
    .stats-guarantee-bar {
      background: var(--primary);
      color: #fff;
      padding: 50px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .stat-item h3 {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .stat-item p {
      font-size: 0.95rem;
      color: #e2e8f0;
      letter-spacing: 0.02em;
    }

    /* 板块 8: 社会认同与口碑评价 */
    .reviews-section {
      background: var(--bg-light);
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #f59e0b;
      margin-bottom: 16px;
      font-size: 1.1rem;
    }
    .review-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .user-profile {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .user-info h4 {
      font-size: 0.95rem;
      margin-bottom: 2px;
    }
    .user-info span {
      font-size: 0.8rem;
      color: #9ca3af;
    }

    /* 板块 9: 方案对比矩阵 (传统模式 vs 本平台) */
    .compare-section {
      background: #fff;
    }
    .compare-table-wrap {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: #f1f5f9;
      font-weight: 700;
      font-size: 1.05rem;
    }
    .compare-table th.highlight {
      background: rgba(26, 77, 46, 0.08);
      color: var(--primary);
    }
    .compare-table td.highlight {
      background: rgba(26, 77, 46, 0.02);
      font-weight: 600;
      color: var(--primary);
    }

    /* 板块 10: 资讯与旅行动态 */
    .insights-section {
      background: var(--bg-light);
    }
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .insight-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .insight-img-wrap {
      height: 180px;
      overflow: hidden;
    }
    .insight-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .insight-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .insight-meta {
      font-size: 0.8rem;
      color: #9ca3af;
      margin-bottom: 10px;
    }
    .insight-body h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .insight-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }

    /* 板块 11: 疑问解答 FAQ */
    .faq-section {
      background: #fff;
    }
    .faq-accordion {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    details.faq-item {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    details.faq-item[open] {
      border-color: var(--primary);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }
    summary.faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
      user-select: none;
    }
    summary.faq-question::-webkit-details-marker {
      display: none;
    }
    summary.faq-question::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.2s;
    }
    details[open] summary.faq-question::after {
      content: '−';
    }
    .faq-answer {
      padding: 0 24px 22px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid transparent;
    }

    /* 板块 12: 行前保障与表单获客收尾条 */
    .action-guarantee-section {
      background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
      color: #fff;
      padding: 85px 0;
      text-align: center;
    }
    .guarantee-box {
      max-width: 800px;
      margin: 0 auto;
    }
    .guarantee-box h2 {
      font-size: 2.2rem;
      margin-bottom: 16px;
    }
    .guarantee-box p {
      font-size: 1.05rem;
      color: #e2e8f0;
      margin-bottom: 34px;
      line-height: 1.8;
    }
    .lead-form {
      display: flex;
      gap: 12px;
      max-width: 540px;
      margin: 0 auto 20px auto;
    }
    .lead-form input {
      flex: 1;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.95);
      font-size: 0.95rem;
      outline: none;
      color: var(--text-main);
    }
    .lead-form input:focus {
      background: #fff;
      border-color: var(--accent);
    }

    /* 浮动固定条 */
    .sticky-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
      padding: 12px 0;
      z-index: 999;
      display: flex;
      align-items: center;
      border-top: 1px solid var(--border-color);
    }
    .sticky-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .sticky-text {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 页脚 */
    footer {
      background: #09120c;
      color: #94a3b8;
      padding: 70px 0 35px 0;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-bottom: 58px; /* 给常驻浮动条留位置 */
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h3 {
      color: #fff;
      font-size: 1.3rem;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-brand p {
      line-height: 1.75;
      margin-bottom: 16px;
      max-width: 320px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .cap-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .features-grid, .routes-grid, .reviews-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .dark-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-coupon-wall {
        flex-direction: column;
        align-items: stretch;
      }
      .features-grid, .routes-grid, .reviews-grid, .insights-grid, .cap-grid {
        grid-template-columns: 1fr;
      }
      .scenario-item, .scenario-item.reverse {
        grid-template-columns: 1fr;
      }
      .scenario-img img {
        height: 240px;
      }
      .lead-form {
        flex-direction: column;
      }
      .sticky-text {
        display: none;
      }
      .sticky-content {
        justify-content: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      section {
        padding: 50px 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
    }